70400734040 has 128 divisors (see below), whose sum is σ = 203432463360. Its totient is φ = 21311921664.

The previous prime is 70400734037. The next prime is 70400734069. The reversal of 70400734040 is 4043700407.

It is a junction number, because it is equal to n+sod(n) for n = 70400733994 and 70400734012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336734 + ... + 504173.

It is an arithmetic number, because the mean of its divisors is an integer number (1589316120).

Almost surely, 2^70400734040 is an apocalyptic number.

70400734040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70400734040 is an abundant number, since it is smaller than the sum of its proper divisors (133031729320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70400734040 is a wasteful number, since it uses less digits than its factorization.

70400734040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840961 (or 840957 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 70400734040 in words is "seventy billion, four hundred million, seven hundred thirty-four thousand, forty".